Lumel N10 - 6. TECHNICAL DATA

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6. TECHNICAL DATA
Measuring ranges and admissible basic errors are shown on the
table 6
Table 6
remarks
Measured quantity
Range Basic error
U
i
voltage
100.0 V (Ku=1)
400.0 V (Ku=1)
for Ku1... 400.0 kV
 (0.2% m.v.
+0.1% range)
Ku = 1...4000
I
i
current
1.000 A (Ki=1)
5.000 A (Ki=1)
for Ki1... 20.00 kA
 (0.2% m.v.
+0.1% range)
Ki = 1... 20000
P
i
active power P
AV
mean active power
0.0... (-)1999.9 W (Wh)
for Ku1, Ki1
...(-)1999.9 MW (MWh)
 (0.5% m.v.
+0.2% range)
 (0.5% m.v.
+0.2% range)
S
i
apparent power.
 (0.5% m.v.
+0.2% range)
Q
i
reactive power.
Pf=Power factor=P/S
Pf
i
active power
factor
- 1.00 ...0.00 ...1.000
 1% m.v. 2c
Error
in the range:
- 99.9...0...99.9
tg
i
factor (ratio of
reactive power to
active power)
- 99.9....0....99.9
 1% m.v. 2c
 0.5% m.v.
f frequency
15.0... 500.0 Hz
Where: Ku - voltage transformer ratio
Ki - current transformer ratio
m.v. - measured value
c - less significant display digit
THD U - full distorsion factor (by voltage harmonics)
THD I - full distorsion factor (by current harmonics)
Active energy EnP,
EnPz
Apparent energy
EnS, EnSz
0.0... 1999.9 VA (VAh)
for Ku1, Ki1
...1999.9 MVA (MVAh)
Reactive energy
EnQz
0.0... (-)1999.9 Var (Varh)
for Ku1, Ki1
(-)1999.9 MVar (MVarh)
THD U, THD I
harmonics
0.2... 200%
 0.5% m.v. 2c
Error in the range:
10...120% U, I
47... 52 Hz